If installed, used openssh/ssh from contrib/fgb.

Notes:
Sun Jan 23 18:28:45 EST 2011 geoff
    If you want to use a different version of ssh,
    either install it as /bin/ssh or bind it on top
    of /bin/ssh.


Reference: /n/sources/patch/sorry/srvssh-openssh
Date: Sun Jan 23 02:20:54 CET 2011
Signed-off-by: stanley.lieber@gmail.com
Reviewed-by: geoff

--- /rc/bin/srvssh	Sun Jan 23 02:17:57 2011
+++ /rc/bin/srvssh	Sun Jan 23 02:17:55 2011
@@ -80,8 +80,12 @@
 	mtpt=$3
 }
 
+ssh=ssh
+if(test -x /bin/openssh/ssh)
+	ssh=openssh/ssh
+
 x=(srv $sleephack -e \
-	'ssh '$rawflags' '$1' '$rawhack' '$u9fspath' -na none -u ''$''USER -l ''$''HOME/u9fs.log' \
+	$ssh' '$rawflags' '$1' '$rawhack' '$u9fspath' -na none -u ''$''USER -l ''$''HOME/u9fs.log' \
 	$srv $mtpt)
 $x